<template>
    <div>
       	<!-- 面包屑导航 -->
	<el-breadcrumb separator-class="el-icon-arrow-right">
	  <el-breadcrumb-item :to="{ path: '/welcom' }">首页</el-breadcrumb-item>
	  <el-breadcrumb-item>数据统计</el-breadcrumb-item>
	  <el-breadcrumb-item>数据报表</el-breadcrumb-item>
	</el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card class="box-card">
      <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
      <div id="main" style="width: 1000px;height:500px;margin:0 auto;"></div>
    </el-card>
    </div>
</template>

<script>

import echarts from 'echarts'
import _ from 'lodash'

export default {
    data(){
        return{
             options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              boundaryGap: false
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ]
        }
        }
    },
    methods:{},
    created(){
      
    },
    
    async mounted(){
        // 此时DOM元素渲染完毕，可以进行初始化图表
        var myChart = echarts.init(document.getElementById('main'));


        //发起数据请求
        const { data:res } = await this.$http.get('reports/type/1')
        console.log(res)
        if(res.meta.status !== 200)
        return this.$message.error('获取数据报表失败')  


         // 指定图表的配置项和数据
         const result = _.merge(res.data,this.options)

        //展示数据
        myChart.setOption(result)
     
    }
}
</script>

<style lang="less" scoped>

</style>